import java.util.Scanner;
public class 判断月份对应的季节 {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int match = sc.nextInt();
        switch(match){
            case 12:
                System.out.println("12月");
                break;
            case 11:
                System.out.println("11月");
                break;
            case 10:
                System.out.println("10月");
                break;
            case 9:
                System.out.println("9月");
                break;
            case 8:
                System.out.println("8月");
                break;
            case 7:
                System.out.println("7月");
                break;
            case 6:
                System.out.println("6月");
                break;
            case 5:
                System.out.println("5月");
                break;
            case 4:
                System.out.println("4月");
                break;
            case 3:
                System.out.println("3月");
                break;
            case 2:
                System.out.println("2月");
                break;
            case 1:
                System.out.println("1月");
                break;
           












        }

    }
}
